128980245

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{78887}}^1$

素因数の和:79004

約数の個数: 16

約数和(自身を含む): 208264320

約数和(自身を除く): 79284075

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 78887, 236661, 394435, 1183305, 8598683, 25796049, 42993415, 128980245]

約数ペア:

[(1, 128980245), (3, 42993415), (5, 25796049), (15, 8598683), (109, 1183305), (327, 394435), (545, 236661), (1635, 78887)]